public void ClearFormatting() { MapTree tree = new MapTree(); MapNode r = new MapNode(tree, "r"); r.FontSize = 15; var c1 = new MapNode(r, "c1"); var c2 = new MapNode(r, "c2"); var form = new System.Windows.Forms.Form(); MetaModel.MetaModel.Initialize(); var mainCtrl = A.Fake<IMainCtrl>(); MapCtrl mapCtrl = new MapCtrl(new MapView(tree), mainCtrl); form.Controls.Add(mapCtrl.MapView.Canvas); tree.TurnOnChangeManager(); r.AddToSelection(); c2.AddToSelection(); mapCtrl.ChangeBackColor(Color.Aqua); c2.Selected = false; mapCtrl.ClearFormatting(); Assert.AreEqual(c1.BackColor, Color.Empty); Assert.AreEqual(c2.BackColor, Color.Aqua); Assert.AreEqual(r.BackColor, Color.Empty); }